Leaflet: Information for the user
Tosidrin 10 mg/ml oral drops in solution
Dihydrocodeine bitartrate
Read this leaflet carefully before starting to take this medication, as it contains important information for you.
Contents of the leaflet:
The dihydrocodeine bitartrate, the active ingredient of Tosidrin, is a substance that calms or relieves cough (antitussive activity).
Tosidrin is indicated for the symptomatic treatment of non-productive cough (without mucus).
Do not take Tosidrin:
Warnings and precautions
Consult your doctor or pharmacist before starting to take this medication.
It is not recommended for use:
It should be administered with caution:
Before taking this medication, you should consult your doctor, especially:
Do not take this medication if you know you metabolize codeine or dihydrocodeine very quickly, as there may be a risk of greater side effects.
Prolonged use of this medication is not recommended, as it may cause physical and psychological dependence (addiction).
Children
Consult your doctor if the child has chronic cough, as it may be a symptom of asthma.
Taking Tosidrin with other medications
Tell your doctor or pharmacist if you are using, have recently used, or may need to use any other medication:
Taking this medication with opioid agonists (narcotics) and other central nervous system depressants (including ethanol) and tricyclic antidepressants and MAO inhibitors may cause additive depression of the central nervous system. As a precaution, it is advisable to leave a 15-day interval after finishing treatment with MAOI and taking this medication.
Other medications that interact with this medication are medications to treat allergies, both first-generation antihistamines (chlorpheniramine) and second-generation antihistamines (cetirizine and ebastine); and calcium antagonists (such as nifedipine and verapamil), and also methysergide, naloxone, and hydroxyzine.
Taking Tosidrin with food, drinks, and alcohol
During treatment, do not consume alcoholic beverages, as they may potentiate the depressant effect on the central nervous system.
Pregnancy and breastfeeding
If you are pregnant or breastfeeding, think you may be pregnant, or plan to become pregnant, consult your doctor or pharmacist before using this medication.
Pregnancy
In the third trimester of pregnancy, it should not be taken, as it may cause harm to the fetus.
Do not take this medication during the first and second trimester of pregnancy, unless your doctor considers it strictly necessary.
Breastfeeding
This medication passes into breast milk. For this reason, it should not be taken during breastfeeding. If treatment with this medication is essential, breastfeeding should be interrupted.
Driving and using machines
This medication may cause drowsiness and may interfere with the ability to drive or operate hazardous machinery. Therefore, driving vehicles and/or operating hazardous machinery should be avoided during treatment. This effect is intensified by the action of alcohol or medications that may also impair reaction capacity.
Use in athletes
This medication contains a component that may produce a positive result in the analytical control of opioids.
Important information about some of the components of Tosidrin
This medication contains 5% v/v ethanol (alcohol), which corresponds to 40.2 mg/ml.
Follow your doctor's instructions for administering this medication exactly. If in doubt, consult your doctor or pharmacist again.
Your doctor will indicate the duration of treatment with Tosidrin.
The recommended dose of this medication, unless your doctor indicates otherwise, is as follows:
Do not exceed the maximum dose of 30 mg of dihydrocodeine per day, which corresponds to 100 drops per day of this medication.
Do not exceed the maximum dose of 15 mg of dihydrocodeine per day, which corresponds to 50 drops per day of this medication.
Do not exceed the maximum dose of 7.5 mg of dihydrocodeine per day, which corresponds to 25 drops of this medication.
Tosidrin is an oral solution. It can be taken directly or diluted in water.
If you take more Tosidrin than you should
In case you take more Tosidrin than you should, the symptoms that may occur are initial excitement, anxiety, insomnia, and later, in certain cases, drowsiness, lack of reflexes, headache, alteration of blood pressure, arrhythmia, dry mouth, hypersensitivity reactions, tachycardia, convulsions, gastrointestinal disorders, nausea, vomiting, and respiratory depression.
In case of overdose or accidental ingestion, you should immediately consult your doctor for symptomatic treatment or contact the Toxicology Information Service, phone 91 562 04 20, indicating the medication and the amount ingested.
In the treatment of overdose, an opioid antagonist should be administered.
If you forget to take Tosidrin
If you forget to take a dose, take it as soon as possible. Do not take a double dose to make up for forgotten doses.
If you stop taking Tosidrin
Administration should be gradually suspended after prolonged use, as physical dependence and tolerance may occur with repeated administration of this medication.
If you have any other questions about the use of this medication, ask your doctor or pharmacist.
Like all medications, this medication may have side effects, although not everyone experiences them.
During the use of Tosidrin, the following side effects have been observed, whose frequency could not be established with precision.
Gastrointestinal:
Nausea, vomiting, constipation.
Central Nervous System:
Dizziness, drowsiness, convulsions.
Skin and subcutaneous tissue:
Itching.
Immune system:
Skin rashes in allergic patients.
Respiratory, thoracic, and mediastinal:
Bronchospasm, respiratory depression at high doses
Psychiatric:
Confusion, euphoria, restlessness.
The conditions that favor the appearance of these side effects are, fundamentally, two: high doses and prolonged treatment.
Reporting side effects
If you experience any type of side effect, consult your doctor or pharmacist, even if it is a side effect not listed in this leaflet. You can also report them directly through the Spanish Medication Surveillance System for human use: www.notificaram.es. By reporting side effects, you can contribute to providing more information on the safety of this medication.
No special storage conditions are required.
Keep out of sight and reach of children.
Do not use this medication after the expiration date shown on the packaging, after CAD. The expiration date is the last day of the month indicated.
Medications should not be disposed of through wastewater or household waste. Deposit the packaging and medications you no longer need at the pharmacy's SIGRE point. If in doubt, ask your pharmacist how to dispose of the packaging and medications you no longer need. This will help protect the environment.
Composition of Tosidrin
Appearance of the product and package contents
Tosidrin is a brown-colored solution with a raspberry odor, presented in amber glass bottles with a pilfer-proof dropper cap, containing 15 ml and 30 ml.
Marketing authorization holder and manufacturer
LABORATORIO DE APLICACIONES FARMACODINAMICAS, S.A. – FARDI logo
Grassot, 16 - 08025 Barcelona (Spain)
Date of the last revision of this leaflet: November 2015
Detailed and updated information on this medication is available on the website of the Spanish Agency for Medicines and Health Products (AEMPS) http://www.aemps.gob.es/
The average price of TOSIDRIN 10 mg/ml ORAL DROPS IN SOLUTION in October, 2025 is around 7.31 EUR. Prices may vary depending on the region, pharmacy, and whether a prescription is required. Always check with a local pharmacy or online source for the most accurate information.